Air conditioner compressor suction pipe ice frost why liquid pipe ice frost why how many reason learn this video in Hindi

This video making for learning ac repairing work for new technician and for helping 
About this video this in learn air conditioner compressor pipe line ice freezing how check which parts defective very useful video for learning new technician must watch this video open link watch https://youtu.be/5tU-ymqcYNo 

Air conditioner compressor suction pipe ice frost why liquid pipe ice frost why how many reasons ice freezing learn in Hindi